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Roof's GPS shows he drove by the church several times before the June 2015 shootings, according to witness testimony. Roof made multiple trips to Charleston, stopping at plantations in the area and posing for photographs on a beach, according to testimony from the FBI.

The trial lasted seven days. Here's what some of the testimony showed.

June 17, 2015:

The then 21-year-old Dylann Roof left Columbia at 6:13 p.m. on the night of the shootings at Emanuel African Methodist Episcopal Church, arriving in downtown Charleston an hour and a half later, the lead FBI agent on the case later testified.

Prosecutors later say Roof shot and killed nine black parishioners during Bible study there because he wanted to start a race war.

Testimony from survivor Felicia Sanders said Roof sat through the Bible study beside pastor Clementa Pinckney and opened fire as the rest of the group of 12 closed their eyes for a final prayer.

At 8:16 p.m., church surveillance images show him walking into the church. By 9:06 p.m., he's seen walking out, a black gun in his hand

June 18, 2015:

A Richland County sheriff's deputy later testified that Roof's mother collapsed when authorities came to her home the day after the shootings and started asking questions about her son. After recovering, Britt said Roof's mother led him to her son's bedroom, where she showed him a digital camera on which Britt said he saw pictures of Roof with a Confederate flag.

FBI agents drove to Shelby, North Carolina, where he was arrested. Law enforcement agents arrested him that day. His video confession came about 17 hours after the shooting.

At 8:16 p.m., church surveillance images show him walking into the church. By 9:06 p.m., he's seen walking out, a black gun in his hand.